Methyl Violet 2B (Basic Violet 1, C.I 42535)

Methyl Violet 2B Chemical Structure

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Methyl Violet 2B is a cationic triphenylmethane dye. It is a greenish powder having high solubility in water and ethanol. It appears yellow in low pH (0.15) solutions and turns violet as the pH approaches 3.2.

Macsen Laboratories is the leading manufacturer and supplier of Methyl Violet 2B with ISO certification.
PRODUCT SPECIFICATIONS
PRODUCT NAME Methyl Violet 2B
SYNONYMS Basic Violet 1, C.I 42535
CAS No 8004-87-3
Color Index No 42535

SPECIFICATIONS

SR. No Criteria Limit/Specification
1 TYPE OF DYE BASIC DYES
2 DESCRIPTION GREENISH POWDER
3 HUE VIOLET
4 SOLUBILITY 25g/ l +/-5
5 INSOLUBILITY 0.5%
6 PH OF 2.0% SOLUTION 5.10+/-0.05
7 DYE CONTENT 100.0%
8 STRENGTH
Transmittance
dE
EQUAL
100.0%
Up to 1
9 SHADE SIMILAR
10 WAVELENGTH OF MAX 580 nm+/-20 nm
11 FOAMING NIL
12 SPOT TEST ON PAPER SIMILAR
13 MOISTURE CONTENT 2.0%
14 DUSTING PROPERTIES DE DUSTED
15 FINAL CONCLUSION APPROVED

Uses

  • Methyl Violet 2B is used as a biological stain. It functions as a selective dye and enables the separation of Klebsiella pneumoniae from Enterobacter aerogenes and other gram-negative pathogens.
  • It is also used as a dye for printing.
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